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Sagot :
angle ACD = 180°-100°-30° (int angles, AC//BD)
= 50°
x° = 50°-30°
= 20°
Hence, x=20
Answer:
- x = 50
Step-by-step explanation:
The figure is a parallelogram. According to its property the adjacent angles are supplementary.
A and C are supplementary as adjacent angles.
Supplementary angles add up to 180°:
- x + 30 + 100 = 180
- x = 180 - 130
- x = 50
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